Search Results - "Pradeep, K. G."
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High-Entropy Alloys as Catalysts for the CO2 and CO Reduction Reactions: Experimental Realization
Published in ACS catalysis (20-03-2020)“…Conversion of carbon dioxide into selective hydrocarbon using a stable catalyst remains a holy grail in the catalysis community. The high overpotential,…”
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Radioactive isotopes reveal a non sluggish kinetics of grain boundary diffusion in high entropy alloys
Published in Scientific reports (25-09-2017)“…High entropy alloys (HEAs) have emerged as a new class of multicomponent materials, which have potential for high temperature applications. Phase stability and…”
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3
Ti2NiCoSnSb - a new half-Heusler type high-entropy alloy showing simultaneous increase in Seebeck coefficient and electrical conductivity for thermoelectric applications
Published in Scientific reports (29-03-2019)“…A new single phase high entropy alloy, Ti 2 NiCoSnSb with half-Heusler (HH) structure is synthesized for the first time by vacuum arc melting (VAM) followed by…”
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4
Combinatorial evaluation of phase formation and magnetic properties of FeMnCoCrAl high entropy alloy thin film library
Published in Scientific reports (27-05-2019)“…We report on the influence of the Al content (from 3.5 to 54 at.%) on phase formation and magnetic properties in FeMnCoCrAl high entropy alloy thin film…”
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Composition Dependence of Phase Stability, Deformation Mechanisms, and Mechanical Properties of the CoCrFeMnNi High-Entropy Alloy System
Published in JOM (1989) (01-10-2014)“…The proposal of configurational entropy maximization to produce massive solid-solution (SS)-strengthened, single-phase high-entropy alloy (HEA) systems has…”
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Revealing the Localization of NiAl-Type Nano-Scale B2 Precipitates Within the BCC Phase of Ni Alloyed Low-Density FeMnAlC Steel
Published in JOM (1989) (01-08-2022)“…Coherent intermetallic precipitate-strengthened, Fe-Mn-based low-density steels are of interest owing to their superior mechanical properties. We present here…”
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New insights into the austenitization process of low-alloyed hypereutectoid steels: Nucleation analysis of strain-induced austenite formation
Published in Acta materialia (01-11-2014)“…Austenite formation, which originated from a fined-grained ferrite plus carbide microstructure, was observed during tensile testing at 973K (60K below Ae1, the…”
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Hard Magnetic Properties and the Features of Nanostructure of High-Temperature Sm-Co-Fe-Cu-Zr Magnet with Abnormal Temperature Dependence of Coercivity
Published in Nanomaterials (Basel, Switzerland) (21-06-2023)“…This paper presents methods and approaches that can be used for production of Sm-Co-Fe-Cu-Zr permanent magnets with working temperatures of up to 550 °C. It is…”
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9
Design of a twinning-induced plasticity high entropy alloy
Published in Acta materialia (01-08-2015)“…We introduce a liquid metallurgy synthesized, non-equiatomic Fe40Mn40Co10Cr10 high entropy alloy that is designed to undergo mechanically-induced twinning upon…”
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Decomposition of the single-phase high-entropy alloy CrMnFeCoNi after prolonged anneals at intermediate temperatures
Published in Acta materialia (01-06-2016)“…Among the vast number of multi-principal-element alloys that are referred to as high-entropy alloys (HEAs) in the literature, only a limited number solidify as…”
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Phase stability of non-equiatomic CoCrFeMnNi high entropy alloys
Published in Acta materialia (01-10-2015)“…The objective of this study is to experimentally and theoretically investigate the phase stability of non-equiatomic FexMn62−xNi30Co6Cr2 based high entropy…”
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12
Atom probe tomography study of ultrahigh nanocrystallization rates in FeSiNbBCu soft magnetic amorphous alloys on rapid annealing
Published in Acta materialia (15-04-2014)“…Rapid annealing (4–10s) induced primary crystallization of soft magnetic Fe–Si nanocrystals in a Fe73.5Si15.5Cu1Nb3B7 amorphous alloy has been systematically…”
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Microstructure design and mechanical properties in a near-α Ti–4Mo alloy
Published in Acta materialia (15-09-2015)“…(a) Bright-field transmission electron micrograph and selected area diffraction pattern depicting the near-Burgers orientation relationship observed between…”
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Formation and properties of silicon vacancies in MPCVD-grown polycrystalline diamond
Published in Bulletin of materials science (14-09-2024)“…This study is aimed to have an understanding of the formation of silicon vacancy (SiV) colour centres in diamond during thin film growth of diamond in…”
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15
Effect of High-Energy Ball Milling in Toluene on the Morphology, Phase Evolution, and Contamination for Some Elemental Powders
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (2024)“…This study reports the effect of milling time on the carbon content, morphology, crystallite size, and phase evolution of pure elemental Al, Fe, Ni, Cu, Cr,…”
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Non-equiatomic high entropy alloys: Approach towards rapid alloy screening and property-oriented design
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (11-11-2015)“…The high entropy alloy (HEA) concept has triggered a renewed interest in alloy design, even though some aspects of the underlying thermodynamic concepts are…”
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The role of atomic scale segregation in designing highly ductile magnesium alloys
Published in Acta materialia (01-09-2016)“…Two solid solution binary magnesium-rare earth (RE) alloys, Mg-1wt.% Gd and Mg-1wt.% Dy were subjected to large strain hot rolling followed by…”
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The nucleation of Mo-rich Laves phase particles adjacent to M23C6 micrograin boundary carbides in 12% Cr tempered martensite ferritic steels
Published in Acta materialia (15-05-2015)“…We study the nucleation of Mo-rich Laves phase particles during aging and creep of 12wt.% Cr tempered martensite ferritic steels (TMFS). Recently, in Isik et…”
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Ti 2 NiCoSnSb - a new half-Heusler type high-entropy alloy showing simultaneous increase in Seebeck coefficient and electrical conductivity for thermoelectric applications
Published in Scientific reports (01-12-2019)“…A new single phase high entropy alloy, Ti NiCoSnSb with half-Heusler (HH) structure is synthesized for the first time by vacuum arc melting (VAM) followed by…”
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20
Atomic-scale compositional characterization of a nanocrystalline AlCrCuFeNiZn high-entropy alloy using atom probe tomography
Published in Acta materialia (01-07-2013)“…We have studied a nanocrystalline AlCrCuFeNiZn high-entropy alloy synthesized by ball milling followed by hot compaction at 600°C for 15min at 650MPa. X-ray…”
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